ALEXANDRIA, Va., Nov. 20 -- GE-Hitachi Nuclear Energy Americas, Wilmington, North Carolina, has been assigned a patent (No. 10,128,007, initially filed July 6, 2015) developed by four co-inventors for "chimneys having joinable upper and lower sections where the lower section has internal partitions." The co-inventors are Robin D. Sprague, Wilmington, North Carolina, Gerald A. Deaver, Wilmington, North Carolina, David A. Rickard, Wilmington, North Carolina, and David L. Major, Wilmington, North C . . .